Editing Internet Texts/Gemstones/Amblygonite

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Amblygonite

The mineral was first discovered in Saxony (Germany) and named from the Greek amblus (blunt) and gonia (angle) because of the blunt angle between the cleavages. It is usually white or creamy, but can also be colorless, yellow, green, blue, pink and grey.

Amblygonite

Basic properties

Composition(Li,Na)AlPO4(F,OH)
ClassPhosphates
Crystal systemTriclinic
Mohs' hardness5,5-6
FractureUneven, sub-conchoidal
CleavagePerfect
LustreGlassy to pearly
StreakWhite
LocalitiesBrazil, France, Sweden, Canada, USA